csighandler3: try a fallback interpreter if none in TLS #615

Job	Run time
involved_authors_debug	0s
Sanity: Linux -Dusethreads	10m 55s
cygwin	34m 11s
ASAN (-Accflags=-DPURIFY)	22m 4s
Test dist/ modules on MacOS system perl	4m 36s
ASAN (-DDEBUGGING)	22m 39s
dist Linux 5.38 -Dusethreads	4m 16s
ASAN (-Dusethreads)	23m 8s
install	11m 16s
dist Linux 5.38 -Uusethreads	2m 5s
dist Linux 5.24 -Dusethreads	1m 55s
linux (-Uusethreads)	9m 47s
linux i386/ubuntu (-Dusedevel)	15m 56s
linux (-Duseshrplib -Dusequadmath -Dusecbacktrace -Dusethreads)	11m 27s
Windows mingw64	35m 45s
dist Linux 5.24 -Uusethreads	4m 5s
linux (-Duserelocatableinc)	9m 33s
minitest	3m 45s
dist Linux 5.10 -Dusethreads	4m 8s
linux (-Dcc='clang')	10m 18s
PERL_UNICODE (-Uusethreads)	8m 44s
dist Linux 5.10 -Uusethreads	1m 59s
linux (-Dcc='g++')	9m 52s
PERL_UNICODE (-Dusethreads -Accflags=-DPURIFY -Dcc='gcc -fsanitize=address' -Dld='gcc -fsanitize=...	24m 4s
macOS (Monterey) 12 (-Uusethreads)	11m 36s
dist Linux 5.8 -Dusethreads	4m 13s
linux (-Accflags=-DSILENT_NO_TAINT_SUPPORT)	9m 52s
dist Linux 5.8 -Uusethreads	2m 0s
macOS (Monterey) 12 (-Duseithreads -Duseshrplib)	13m 58s
linux (-Accflags=-DNO_TAINT_SUPPORT)	9m 23s
Windows msvc142	52m 36s
linux (-DDEBUGGING -Accflags=-DPERL_RC_STACK)	9m 46s
linux (-Uusedl)	9m 10s
	6h 49m 2s

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